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      1 // Copyright 2016 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "xfa/fxfa/parser/cxfa_font.h"
      8 
      9 #include "core/fxge/fx_dib.h"
     10 #include "xfa/fxfa/parser/cxfa_fill.h"
     11 #include "xfa/fxfa/parser/cxfa_measurement.h"
     12 #include "xfa/fxfa/parser/xfa_object.h"
     13 
     14 CXFA_Font::CXFA_Font(CXFA_Node* pNode) : CXFA_Data(pNode) {}
     15 
     16 FX_FLOAT CXFA_Font::GetBaselineShift() {
     17   return m_pNode->GetMeasure(XFA_ATTRIBUTE_BaselineShift).ToUnit(XFA_UNIT_Pt);
     18 }
     19 
     20 FX_FLOAT CXFA_Font::GetHorizontalScale() {
     21   CFX_WideString wsValue;
     22   m_pNode->TryCData(XFA_ATTRIBUTE_FontHorizontalScale, wsValue);
     23   int32_t iScale = FXSYS_wtoi(wsValue.c_str());
     24   return iScale > 0 ? (FX_FLOAT)iScale : 100.0f;
     25 }
     26 
     27 FX_FLOAT CXFA_Font::GetVerticalScale() {
     28   CFX_WideString wsValue;
     29   m_pNode->TryCData(XFA_ATTRIBUTE_FontVerticalScale, wsValue);
     30   int32_t iScale = FXSYS_wtoi(wsValue.c_str());
     31   return iScale > 0 ? (FX_FLOAT)iScale : 100.0f;
     32 }
     33 
     34 FX_FLOAT CXFA_Font::GetLetterSpacing() {
     35   CFX_WideStringC wsValue;
     36   if (!m_pNode->TryCData(XFA_ATTRIBUTE_LetterSpacing, wsValue))
     37     return 0;
     38 
     39   CXFA_Measurement ms(wsValue);
     40   if (ms.GetUnit() == XFA_UNIT_Em)
     41     return ms.GetValue() * GetFontSize();
     42   return ms.ToUnit(XFA_UNIT_Pt);
     43 }
     44 
     45 int32_t CXFA_Font::GetLineThrough() {
     46   int32_t iValue = 0;
     47   m_pNode->TryInteger(XFA_ATTRIBUTE_LineThrough, iValue);
     48   return iValue;
     49 }
     50 
     51 int32_t CXFA_Font::GetUnderline() {
     52   int32_t iValue = 0;
     53   m_pNode->TryInteger(XFA_ATTRIBUTE_Underline, iValue);
     54   return iValue;
     55 }
     56 
     57 int32_t CXFA_Font::GetUnderlinePeriod() {
     58   XFA_ATTRIBUTEENUM eAttr = XFA_ATTRIBUTEENUM_All;
     59   m_pNode->TryEnum(XFA_ATTRIBUTE_UnderlinePeriod, eAttr);
     60   return eAttr;
     61 }
     62 
     63 FX_FLOAT CXFA_Font::GetFontSize() {
     64   CXFA_Measurement ms;
     65   m_pNode->TryMeasure(XFA_ATTRIBUTE_Size, ms);
     66   return ms.ToUnit(XFA_UNIT_Pt);
     67 }
     68 
     69 void CXFA_Font::GetTypeface(CFX_WideStringC& wsTypeFace) {
     70   m_pNode->TryCData(XFA_ATTRIBUTE_Typeface, wsTypeFace);
     71 }
     72 
     73 bool CXFA_Font::IsBold() {
     74   XFA_ATTRIBUTEENUM eAttr = XFA_ATTRIBUTEENUM_Normal;
     75   m_pNode->TryEnum(XFA_ATTRIBUTE_Weight, eAttr);
     76   return eAttr == XFA_ATTRIBUTEENUM_Bold;
     77 }
     78 
     79 bool CXFA_Font::IsItalic() {
     80   XFA_ATTRIBUTEENUM eAttr = XFA_ATTRIBUTEENUM_Normal;
     81   m_pNode->TryEnum(XFA_ATTRIBUTE_Posture, eAttr);
     82   return eAttr == XFA_ATTRIBUTEENUM_Italic;
     83 }
     84 
     85 void CXFA_Font::SetColor(FX_ARGB color) {
     86   CXFA_Fill fill(m_pNode->GetProperty(0, XFA_Element::Fill));
     87   fill.SetColor(color);
     88 }
     89 
     90 FX_ARGB CXFA_Font::GetColor() {
     91   CXFA_Fill fill(m_pNode->GetChild(0, XFA_Element::Fill));
     92   return fill ? fill.GetColor(true) : 0xFF000000;
     93 }
     94